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The Optimized Operation of Gas Turbine Combined Heat and Power Units Oriented for the Grid-Connected Control

  • Shu Xia

    Shu Xia was born in 1987, received Ph.D. in Electrical Engineering from North China Electric Power University, Beijing, China, in 2014. Currently, he joined the State Grid Shibei Power Supply Company, where he is an engineer.

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    and Xiaolin Ge

    Xiao-lin Ge was born in 1988. She received the Ph.D. degree from North China Electric Power University (NCEPU), She is currently a lecturer in Shanghai University of Electric Power. Her main research interest is optimal dispatching in power system.

Published/Copyright: February 2, 2016

Abstract

In this study, according to various grid-connected demands, the optimization scheduling models of Combined Heat and Power (CHP) units are established with three scheduling modes, which are tracking the total generation scheduling mode, tracking steady output scheduling mode and tracking peaking curve scheduling mode. In order to reduce the solution difficulty, based on the principles of modern algebraic integers, linearizing techniques are developed to handle complex nonlinear constrains of the variable conditions, and the optimized operation problem of CHP units is converted into a mixed-integer linear programming problem. Finally, with specific examples, the 96 points day ahead, heat and power supply plans of the systems are optimized. The results show that, the proposed models and methods can develop appropriate coordination heat and power optimization programs according to different grid-connected control.

Award Identifier / Grant number: 51507100

Funding statement: This work was supported by National Natural Science Foundation of China (NSFC) (No.51507100).

About the authors

Shu Xia

Shu Xia was born in 1987, received Ph.D. in Electrical Engineering from North China Electric Power University, Beijing, China, in 2014. Currently, he joined the State Grid Shibei Power Supply Company, where he is an engineer.

Xiaolin Ge

Xiao-lin Ge was born in 1988. She received the Ph.D. degree from North China Electric Power University (NCEPU), She is currently a lecturer in Shanghai University of Electric Power. Her main research interest is optimal dispatching in power system.

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Received: 2015-8-30
Revised: 2015-12-16
Accepted: 2016-1-17
Published Online: 2016-2-2
Published in Print: 2016-4-1

©2016 by De Gruyter

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